diff --git a/data/crt.glsl b/data/crt.glsl
index 32fed98..bc79422 100644
--- a/data/crt.glsl
+++ b/data/crt.glsl
@@ -38,8 +38,15 @@ void main()
 	vec4 color = texture2D(Texture, uv);
 
 	// Scanlines
-    float scanline = sin(uv.y * screenRes.y * 3.14159265) * 0.15;
-    color.rgb -= scanline;
+	//float y = sign(pix_coord.y)*floor(abs(pix_coord.y)*0.5);
+	//float row = mod(y,4.0);
+	if (row == 2.0) {
+		color = color * vec4(0.5, 0.5, 0.5, 1.0);
+	} else if (row > 0.0) {
+		color = color * vec4(0.8, 0.8, 0.8, 1.0);
+	}
+    //float scanline = sin(uv.y * screenRes.y * 3.14159265) * 0.15;
+    //color.rgb -= scanline;
 
     // Máscara de subpixels RGB sutil
     float pixelX = mod(uv.x * screenRes.x, 3.0);
diff --git a/data/main.lua b/data/main.lua
index 21a8b12..bebd534 100644
--- a/data/main.lua
+++ b/data/main.lua
@@ -21,7 +21,7 @@ function mini.init()
     pal.trans(0)
 
     rooms.init()
-    shader.init("lynx.glsl")
+    shader.init("crt.glsl")
     shader.enable()
     --titles.enable()
     game.enable()